Firmware
DH_NVR2X-4KS3_MultiLang_V4.005.0000000.2.R.250210.zip
Dahua firmware released Feb 10, 2025. Encrypted firmware.
- Released
- Feb 10, 2025
- Version
- V4.005.0000000.2.R
- Size
- 139.8 MB
- Hardware
- Encrypted firmware
Download
Permanent copy on the Internet Archive (item page)
- MD5
4c1bb5b8b7a5de23ea98a68b804e77dd- SHA-256
02008ef5fd19e46921c0d3489ff35048ca60f255cea864aed416359afc66c11a
Where it's published
Recovered from the Wayback Machine
Dahua
Wayback Machine (materialfile.dahuasecurity.com)
Wayback copyCaptured May 12, 2025 from
https://materialfile.dahuasecurity.com/uploads/cpq/SWR/3048127/M/DH_NVR2X-4KS3_MultiLang_V4.005.0000000.2.R.250210.zip- Recovered from the Wayback Machine (captured 2025-05-12)
V4.005.0000000.2.R · Listed date Feb 10, 2025
Compatible hardware
This firmware is encrypted (the format Dahua uses for NVR4/NVR5 EI and XI builds), so its contents, including its list of supported hardware, can't be read. Use the model names the vendors list for it instead.
Technical details
Read from inside the firmware (bundle of several firmwares). This file bundles 5 firmware images.
algorithm-x.squashfs.img
- SoC
- Novatek NT98631
- Architecture
- arm
- Image dates
- Feb 10, 2025
- Security
- Not signed, encrypted
Flash layout: 1 partition, 1 written by this firmware
From the image headers (only partitions this firmware writes).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| algorithm | 0xa4a80000 | 0xa6f80000 | 37.0 MB | algorithm-x.squashfs.img | squashfs | 2025-02-10 |
custom-x.squashfs.img
- SoC
- Novatek NT98631
- Architecture
- arm
- Image dates
- Feb 10, 2025
- Security
- Not signed
Flash layout: 1 partition, 1 written by this firmware
From the image headers (only partitions this firmware writes).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| custom | 0xa3780000 | 0xa3980000 | 2.0 MB | custom-x.squashfs.img | squashfs | 2025-02-10 |
logo-x.squashfs.img
- SoC
- Novatek NT98631
- Architecture
- arm
- Image dates
- Feb 10, 2025
- Security
- Not signed, encrypted
Flash layout: 1 partition, 1 written by this firmware
From the image headers (only partitions this firmware writes).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| logo | 0xa4880000 | 0xa4a80000 | 2.0 MB | logo-x.squashfs.img | squashfs | 2025-02-10 |
u-boot.bin.img
- SoC
- Novatek: one of NT98331, NT98631
- Architecture
- arm
- Bootloader
- U-Boot 2019.04-svn9179
- Image dates
- Feb 10, 2025
- Security
- Not signed
Flash layout: 1 partition, 1 written by this firmware
From the image headers (only partitions this firmware writes).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| u-boot | 0xa0080000 | 0xa0280000 | 2.0 MB | u-boot.bin.img | — | 2025-02-10 |
web-x.squashfs.img
- SoC
- Novatek NT98631
- Architecture
- arm
- Image dates
- Feb 10, 2025
- Security
- Not signed, encrypted
Flash layout: 1 partition, 1 written by this firmware
From the image headers (only partitions this firmware writes).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| web | 0xa3980000 | 0xa4880000 | 15.0 MB | web-x.squashfs.img | squashfs | 2025-02-10 |